From: Sudeep Holla <sudeep.holla@arm.com>
To: Zeng Tao <prime.zeng@hisilicon.com>
Cc: linuxarm@huawei.com,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
linux-kernel@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>
Subject: Re: [PATCH] cpu-topology: Fix the potential data corruption
Date: Fri, 28 Feb 2020 10:40:34 +0000 [thread overview]
Message-ID: <20200228104034.GB26973@bogus> (raw)
In-Reply-To: <1582878945-50415-1-git-send-email-prime.zeng@hisilicon.com>
On Fri, Feb 28, 2020 at 04:35:45PM +0800, Zeng Tao wrote:
> Currently there are only 10 bytes to store the cpu-topology info.
> That is:
> snprintf(buffer, 10, "cluster%d",i);
> snprintf(buffer, 10, "thread%d",i);
> snprintf(buffer, 10, "core%d",i);
>
> In the boundary test, if the cluster number exceeds 100, there will be a
I don't understand you mention of 100 in particular above. I can see issue
if there are cluster with more than 2-digit id. Though highly unlikely for
now, but I don't have objection to the patch.
--
Regards,
Sudeep
next prev parent reply other threads:[~2020-02-28 10:40 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-28 8:35 [PATCH] cpu-topology: Fix the potential data corruption Zeng Tao
2020-02-28 10:40 ` Sudeep Holla [this message]
2020-02-29 1:41 ` Zengtao (B)
2020-03-02 11:10 ` Sudeep Holla
2020-03-03 2:58 ` Zengtao (B)
2020-03-03 10:08 ` Sudeep Holla
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